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<a href="memory_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#pragma once</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;</div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="memory_8h.html">eoslib/memory.h</a>&gt;</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="print_8hpp.html">eoslib/print.hpp</a>&gt;</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceeosio.html">eosio</a> {</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;</div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;   <a class="code" href="group__memorycapi.html#gad8eef9133e11fe77cd34792771f81761">using ::memset</a>;</div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;   <a class="code" href="group__memorycapi.html#ga59ed1449718a3c27f7622cb3efb845af">using ::memcpy</a>;</div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;</div><div class="line"><a name="l00023"></a><span class="lineno"><a class="line" href="classeosio_1_1memory__manager.html">   23</a></span>&#160;   <span class="keyword">class </span><a class="code" href="classeosio_1_1memory__manager.html">memory_manager</a>  <span class="comment">// NOTE: Should never allocate another instance of memory_manager</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;   {</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;   <span class="keyword">friend</span> <span class="keywordtype">void</span>* <a class="code" href="classeosio_1_1memory__manager.html#a8704c31c2d7a73953f3c1c320447c24a">malloc</a>(<a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> size);</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;   <span class="keyword">friend</span> <span class="keywordtype">void</span>* <a class="code" href="classeosio_1_1memory__manager.html#a8499edb5f09d8455c15c667c36abaac6">realloc</a>(<span class="keywordtype">void</span>* ptr, <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> size);</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;   <span class="keyword">friend</span> <span class="keywordtype">void</span> <a class="code" href="classeosio_1_1memory__manager.html#afbedc913aa4651b3c3b4b3aecd9b4711">free</a>(<span class="keywordtype">void</span>* ptr);</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;   <span class="keyword">public</span>:</div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="classeosio_1_1memory__manager.html#a1263e25250550298ba8408cce464a87c">   29</a></span>&#160;      <a class="code" href="classeosio_1_1memory__manager.html#a1263e25250550298ba8408cce464a87c">memory_manager</a>()</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;      <span class="comment">// NOTE: it appears that WASM has an issue with initialization lists if the object is globally allocated,</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;      <span class="comment">//       and seems to just initialize members to 0</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;      : _heaps_actual_size(0)</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;      , _active_heap(0)</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;      , _active_free_heap(0)</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;      {</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;      }</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;   <span class="keyword">private</span>:</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;      <span class="keyword">class </span>memory;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;      memory* next_active_heap()</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;      {</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;         memory* <span class="keyword">const</span> current_memory = _available_heaps + _active_heap;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;         <span class="comment">// make sure we will not exceed the 1M limit (needs to match wasm_interface.cpp _max_memory)</span></div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;         <span class="keyword">auto</span> remaining = 1024 * 1024 - <span class="keyword">reinterpret_cast&lt;</span><a class="code" href="group__types.html#ga0d2e949ab6a1bb62f1b295cc79bc1f60">int32_t</a><span class="keyword">&gt;</span>(<a class="code" href="group__memorycapi.html#ga87ed00a8f774a9d36d650b80a36ad932">sbrk</a>(0));</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;         <span class="keywordflow">if</span> (remaining &lt;= 0)</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;         {</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;            <span class="comment">// ensure that any remaining unallocated memory gets cleaned up</span></div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;            current_memory-&gt;cleanup_remaining();</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;            ++_active_heap;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;            _heaps_actual_size = _active_heap;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;         }</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;         <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> new_heap_size = remaining &gt; _new_heap_size ? _new_heap_size : remaining;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;         <span class="keywordtype">char</span>* new_memory_start = <span class="keyword">static_cast&lt;</span><span class="keywordtype">char</span>*<span class="keyword">&gt;</span>(<a class="code" href="group__memorycapi.html#ga87ed00a8f774a9d36d650b80a36ad932">sbrk</a>(new_heap_size));</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;         <span class="comment">// if we can expand the current memory, keep working with it</span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;         <span class="keywordflow">if</span> (current_memory-&gt;expand_memory(new_memory_start, new_heap_size))</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;            <span class="keywordflow">return</span> current_memory;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;         <span class="comment">// ensure that any remaining unallocated memory gets cleaned up</span></div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;         current_memory-&gt;cleanup_remaining();</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;         ++_active_heap;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;         memory* <span class="keyword">const</span> next = _available_heaps + _active_heap;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;         next-&gt;init(new_memory_start, new_heap_size);</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;         <span class="keywordflow">return</span> next;</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;      }</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;      <span class="keywordtype">void</span>* <a class="code" href="classeosio_1_1memory__manager.html#a8704c31c2d7a73953f3c1c320447c24a">malloc</a>(<a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> size)</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;      {</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;         <span class="keywordflow">if</span> (size == 0)</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;         <span class="comment">// see Note on ctor</span></div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;         <span class="keywordflow">if</span> (_heaps_actual_size == 0)</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;            _heaps_actual_size = _heaps_size;</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;         adjust_to_mem_block(size);</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;         <span class="comment">// first pass of loop never has to initialize the slot in _available_heap</span></div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;         <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> needs_init = 0;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;         <span class="keywordtype">char</span>* buffer = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;         memory* current = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;         <span class="comment">// need to make sure</span></div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;         <span class="keywordflow">if</span> (_active_heap &lt; _heaps_actual_size)</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;         {</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;            memory* <span class="keyword">const</span> start_heap = &amp;_available_heaps[_active_heap];</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;            <span class="comment">// only heap 0 won&#39;t be initialized already</span></div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;            <span class="keywordflow">if</span>(_active_heap == 0 &amp;&amp; !start_heap-&gt;is_init())</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;            {</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;               start_heap-&gt;init(_initial_heap, _initial_heap_size);</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;            }</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;            current = start_heap;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;         }</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;         <span class="keywordflow">while</span> (current != <span class="keyword">nullptr</span>)</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;         {</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;            buffer = current-&gt;malloc(size);</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;            <span class="comment">// done if we have a buffer</span></div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;            <span class="keywordflow">if</span> (buffer != <span class="keyword">nullptr</span>)</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;               <span class="keywordflow">break</span>;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;            current = next_active_heap();</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;         }</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;         <span class="keywordflow">if</span> (buffer == <span class="keyword">nullptr</span>)</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;         {</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;            <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> end_free_heap = _active_free_heap;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;            <span class="keywordflow">do</span></div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;            {</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;               buffer = _available_heaps[_active_free_heap].malloc_from_freed(size);</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;               <span class="keywordflow">if</span> (buffer != <span class="keyword">nullptr</span>)</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;                  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;               <span class="keywordflow">if</span> (++_active_free_heap == _heaps_actual_size)</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;                  _active_free_heap = 0;</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;            } <span class="keywordflow">while</span> (_active_free_heap != end_free_heap);</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;         }</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;         <span class="keywordflow">return</span> buffer;</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;      }</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;      <span class="keywordtype">void</span>* <a class="code" href="classeosio_1_1memory__manager.html#a8499edb5f09d8455c15c667c36abaac6">realloc</a>(<span class="keywordtype">void</span>* ptr, <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> size)</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;      {</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;         <span class="keywordflow">if</span> (size == 0)</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;         {</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;            <a class="code" href="classeosio_1_1memory__manager.html#afbedc913aa4651b3c3b4b3aecd9b4711">free</a>(ptr);</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;         }</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;         <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> REMOVE = size;</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;         adjust_to_mem_block(size);</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;         <span class="keywordtype">char</span>* realloc_ptr = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;         <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> orig_ptr_size = 0;</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;         <span class="keywordflow">if</span> (ptr != <span class="keyword">nullptr</span>)</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;         {</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;            <span class="keywordtype">char</span>* <span class="keyword">const</span> char_ptr = <span class="keyword">static_cast&lt;</span><span class="keywordtype">char</span>*<span class="keyword">&gt;</span>(ptr);</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;            <span class="keywordflow">for</span> (memory* realloc_heap = _available_heaps; realloc_heap &lt; _available_heaps + _heaps_actual_size &amp;&amp; realloc_heap-&gt;is_init(); ++realloc_heap)</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;            {</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;               <span class="keywordflow">if</span> (realloc_heap-&gt;is_in_heap(char_ptr))</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;               {</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;                  realloc_ptr = realloc_heap-&gt;realloc_in_place(char_ptr, size, &amp;orig_ptr_size);</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;                  <span class="keywordflow">if</span> (realloc_ptr != <span class="keyword">nullptr</span>)</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;                     <span class="keywordflow">return</span> realloc_ptr;</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;                  <span class="keywordflow">else</span></div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;                     <span class="keywordflow">break</span>;</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;               }</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;            }</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;         }</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;         <span class="keywordtype">char</span>* new_alloc = <span class="keyword">static_cast&lt;</span><span class="keywordtype">char</span>*<span class="keyword">&gt;</span>(<a class="code" href="classeosio_1_1memory__manager.html#a8704c31c2d7a73953f3c1c320447c24a">malloc</a>(size));</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;         <span class="keywordflow">if</span> (new_alloc == <span class="keyword">nullptr</span>)</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;         <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> copy_size = (size &lt; orig_ptr_size) ? size : orig_ptr_size;</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;         <span class="keywordflow">if</span> (copy_size &gt; 0)</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;         {</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;            <a class="code" href="group__memorycapi.html#ga59ed1449718a3c27f7622cb3efb845af">memcpy</a>(new_alloc, ptr, copy_size);</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;            <a class="code" href="classeosio_1_1memory__manager.html#afbedc913aa4651b3c3b4b3aecd9b4711">free</a> (ptr);</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;         }</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;         <span class="keywordflow">return</span> new_alloc;</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;      }</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;      <span class="keywordtype">void</span> <a class="code" href="classeosio_1_1memory__manager.html#afbedc913aa4651b3c3b4b3aecd9b4711">free</a>(<span class="keywordtype">void</span>* ptr)</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;      {</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;         <span class="keywordflow">if</span> (ptr == <span class="keyword">nullptr</span>)</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;            <span class="keywordflow">return</span>;</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;         <span class="keywordtype">char</span>* <span class="keyword">const</span> char_ptr = <span class="keyword">static_cast&lt;</span><span class="keywordtype">char</span>*<span class="keyword">&gt;</span>(ptr);</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;         <span class="keywordflow">for</span> (memory* free_heap = _available_heaps; free_heap &lt; _available_heaps + _heaps_actual_size &amp;&amp; free_heap-&gt;is_init(); ++free_heap)</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;         {</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;            <span class="keywordflow">if</span> (free_heap-&gt;is_in_heap(char_ptr))</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;            {</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;               free_heap-&gt;free(char_ptr);</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;               <span class="keywordflow">break</span>;</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;            }</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;         }</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;      }</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;      <span class="keywordtype">void</span> adjust_to_mem_block(<a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a>&amp; size)</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;      {</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;         <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> remainder = (size + _size_marker) &amp; _rem_mem_block_mask;</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;         <span class="keywordflow">if</span> (remainder &gt; 0)</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;         {</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;            size += _mem_block - remainder;</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;         }</div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;      }</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;      <span class="keyword">class </span>memory</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;      {</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;      <span class="keyword">public</span>:</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;         memory()</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;         : _heap_size(0)</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;         , _heap(<span class="keyword">nullptr</span>)</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;         , _offset(0)</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;         {</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;         }</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;         <span class="keywordtype">void</span> <a class="code" href="namespaceeosiosystem.html#a3ea5c4b8e36e422e6dd7f2e60ffd6fd4">init</a>(<span class="keywordtype">char</span>* <span class="keyword">const</span> mem_heap, <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> size)</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;         {</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;            _heap_size = size;</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;            _heap = mem_heap;</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;            <a class="code" href="group__memorycapi.html#gad8eef9133e11fe77cd34792771f81761">memset</a>(_heap, 0, _heap_size);</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;         }</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;         <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> is_init()<span class="keyword"> const</span></div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;<span class="keyword">         </span>{</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;            <span class="keywordflow">return</span> _heap != <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;         }</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;         <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> is_in_heap(<span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> ptr)<span class="keyword"> const</span></div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;<span class="keyword">         </span>{</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> end_of_buffer = _heap + _heap_size;</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> first_ptr_of_buffer = _heap + _size_marker;</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;            <span class="keywordflow">return</span> ptr &gt;= first_ptr_of_buffer &amp;&amp; ptr &lt; end_of_buffer;</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;         }</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;         <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> is_capacity_remaining()<span class="keyword"> const</span></div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;<span class="keyword">         </span>{</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;            <span class="keywordflow">return</span> _offset + _size_marker &lt; _heap_size;</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;         }</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;         <span class="keywordtype">char</span>* <a class="code" href="classeosio_1_1memory__manager.html#a8704c31c2d7a73953f3c1c320447c24a">malloc</a>(<a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> size)</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;         {</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;            <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> used_up_size = _offset + size + _size_marker;</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;            <span class="keywordflow">if</span> (used_up_size &gt; _heap_size)</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;            {</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;               <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;            }</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;            buffer_ptr new_buff(&amp;_heap[_offset + _size_marker], size, _heap + _heap_size);</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;            _offset += size + _size_marker;</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;            new_buff.mark_alloc();</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;            <span class="keywordflow">return</span> new_buff.ptr();</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;         }</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;         <span class="keywordtype">char</span>* malloc_from_freed(<a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> size)</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;         {</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;            <a class="code" href="group__systemcapi.html#gae2a6ebaf48fe7c69f847ae18f109d09a">assert</a>(_offset == _heap_size, <span class="stringliteral">&quot;malloc_from_freed was designed to only be called after _heap was completely allocated&quot;</span>);</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;            <span class="keywordtype">char</span>* current = _heap + _size_marker;</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;            <span class="keywordflow">while</span> (current != <span class="keyword">nullptr</span>)</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;            {</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;               buffer_ptr current_buffer(current, _heap + _heap_size);</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;               <span class="keywordflow">if</span> (!current_buffer.is_alloc())</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;               {</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;                  <span class="comment">// done if we have enough contiguous memory</span></div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;                  <span class="keywordflow">if</span> (current_buffer.merge_contiguous(size))</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;                  {</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;                     current_buffer.mark_alloc();</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;                     <span class="keywordflow">return</span> current;</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;                  }</div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;               }</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;               current = current_buffer.next_ptr();</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;            }</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;            <span class="comment">// failed to find any free memory</span></div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;         }</div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;</div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;         <span class="keywordtype">char</span>* realloc_in_place(<span class="keywordtype">char</span>* <span class="keyword">const</span> ptr, <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> size, <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a>* orig_ptr_size)</div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;         {</div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> end_of_buffer = _heap + _heap_size;</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;</div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;            buffer_ptr orig_buffer(ptr, end_of_buffer);</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;            *orig_ptr_size = orig_buffer.size();</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;            <span class="comment">// is the passed in pointer valid</span></div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;            <span class="keywordtype">char</span>* <span class="keyword">const</span> orig_buffer_end = orig_buffer.end();</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;            <span class="keywordflow">if</span> (orig_buffer_end &gt; end_of_buffer)</div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;            {</div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;               *orig_ptr_size = 0;</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;               <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;            }</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;</div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;            <span class="keywordflow">if</span> (ptr &gt; end_of_buffer - size)</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;            {</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;               <span class="comment">// cannot resize in place</span></div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;               <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;            }</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;</div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;            <span class="keyword">const</span> <a class="code" href="group__types.html#ga0d2e949ab6a1bb62f1b295cc79bc1f60">int32_t</a> diff = size - *orig_ptr_size;</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;            <span class="keywordflow">if</span> (diff &lt; 0)</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;            {</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;               <span class="comment">// use a buffer_ptr to allocate the memory to free</span></div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;               <span class="keywordtype">char</span>* <span class="keyword">const</span> new_ptr = ptr + size + _size_marker;</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;               buffer_ptr excess_to_free(new_ptr, -diff, _heap + _heap_size);</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;               excess_to_free.mark_free();</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;               <span class="keywordflow">return</span> ptr;</div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;            }</div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;            <span class="comment">// if ptr was the last allocated buffer, we can expand</span></div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;            <span class="keywordflow">else</span> <span class="keywordflow">if</span> (orig_buffer_end == &amp;_heap[_offset])</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;            {</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;               orig_buffer.size(size);</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;               _offset += diff;</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;               <span class="keywordflow">return</span> ptr;</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;            }</div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;            <span class="keywordflow">if</span> (-diff == 0)</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;               <span class="keywordflow">return</span> ptr;</div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;</div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;            <span class="keywordflow">if</span> (!orig_buffer.merge_contiguous_if_available(size))</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;               <span class="comment">// could not resize in place</span></div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;               <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;</div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;            orig_buffer.mark_alloc();</div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;            <span class="keywordflow">return</span> ptr;</div><div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;         }</div><div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;</div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;         <span class="keywordtype">void</span> <a class="code" href="classeosio_1_1memory__manager.html#afbedc913aa4651b3c3b4b3aecd9b4711">free</a>(<span class="keywordtype">char</span>* ptr)</div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;         {</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;            buffer_ptr to_free(ptr, _heap + _heap_size);</div><div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;            to_free.mark_free();</div><div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;         }</div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;</div><div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;         <span class="keywordtype">void</span> cleanup_remaining()</div><div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;         {</div><div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;            <span class="keywordflow">if</span> (_offset == _heap_size)</div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;               <span class="keywordflow">return</span>;</div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;</div><div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;            <span class="comment">// take the remaining memory and act like it was allocated</span></div><div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;            <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> size = _heap_size - _offset - _size_marker;</div><div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;            buffer_ptr new_buff(&amp;_heap[_offset + _size_marker], size, _heap + _heap_size);</div><div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;            _offset = _heap_size;</div><div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;            new_buff.mark_free();</div><div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;         }</div><div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;</div><div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;         <span class="keywordtype">bool</span> expand_memory(<span class="keywordtype">char</span>* exp_mem, <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> size)</div><div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;         {</div><div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;            <span class="keywordflow">if</span> (_heap + _heap_size != exp_mem)</div><div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;               <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;</div><div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;            _heap_size += size;</div><div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;</div><div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;         }</div><div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;</div><div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;      <span class="keyword">private</span>:</div><div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;         <span class="keyword">class </span>buffer_ptr</div><div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;         {</div><div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;         <span class="keyword">public</span>:</div><div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;            buffer_ptr(<span class="keywordtype">void</span>* ptr, <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> heap_end)</div><div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;            : _ptr(static_cast&lt;char*&gt;(ptr))</div><div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;            , _size(*reinterpret_cast&lt;uint32_t*&gt;(static_cast&lt;char*&gt;(ptr) - _size_marker) &amp; ~_alloc_memory_mask)</div><div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;            , _heap_end(heap_end)</div><div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;            {</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;            }</div><div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;</div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;            buffer_ptr(<span class="keywordtype">void</span>* ptr, <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> buff_size, <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> heap_end)</div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;            : _ptr(static_cast&lt;char*&gt;(ptr))</div><div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;            , _heap_end(heap_end)</div><div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;            {</div><div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;               size(buff_size);</div><div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;            }</div><div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;</div><div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;            <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> size()<span class="keyword"> const</span></div><div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;<span class="keyword">            </span>{</div><div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;               <span class="keywordflow">return</span> _size;</div><div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;            }</div><div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;</div><div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;            <span class="keywordtype">char</span>* next_ptr()<span class="keyword"> const</span></div><div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;<span class="keyword">            </span>{</div><div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;               <span class="keywordtype">char</span>* <span class="keyword">const</span> next = <a class="code" href="namespacestd.html#a32e349e93114238d72333a08f7ac044d">end</a>() + _size_marker;</div><div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;               <span class="keywordflow">if</span> (next &gt;= _heap_end)</div><div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;                  <span class="keywordflow">return</span> <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;</div><div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;               <span class="keywordflow">return</span> next;</div><div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;            }</div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;</div><div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;            <span class="keywordtype">void</span> size(<a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> val)</div><div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;            {</div><div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;               <span class="comment">// keep the same state (allocated or free) as was set before</span></div><div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;               <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> memory_state = *<span class="keyword">reinterpret_cast&lt;</span><a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a>*<span class="keyword">&gt;</span>(_ptr - _size_marker) &amp; _alloc_memory_mask;</div><div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;               *<span class="keyword">reinterpret_cast&lt;</span><a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a>*<span class="keyword">&gt;</span>(_ptr - _size_marker) = val | memory_state;</div><div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;               _size = val;</div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;            }</div><div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;</div><div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;            <span class="keywordtype">char</span>* <a class="code" href="namespacestd.html#a32e349e93114238d72333a08f7ac044d">end</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;<span class="keyword">            </span>{</div><div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;               <span class="keywordflow">return</span> _ptr + _size;</div><div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;            }</div><div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;</div><div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;            <span class="keywordtype">char</span>* ptr()<span class="keyword"> const</span></div><div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;<span class="keyword">            </span>{</div><div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;               <span class="keywordflow">return</span> _ptr;</div><div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;            }</div><div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;</div><div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;            <span class="keywordtype">void</span> mark_alloc()</div><div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;            {</div><div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;               *<span class="keyword">reinterpret_cast&lt;</span><a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a>*<span class="keyword">&gt;</span>(_ptr - _size_marker) |= _alloc_memory_mask;</div><div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;            }</div><div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;</div><div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;            <span class="keywordtype">void</span> mark_free()</div><div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;            {</div><div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;               *<span class="keyword">reinterpret_cast&lt;</span><a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a>*<span class="keyword">&gt;</span>(_ptr - _size_marker) &amp;= ~_alloc_memory_mask;</div><div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;            }</div><div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;</div><div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;            <span class="keywordtype">bool</span> is_alloc()<span class="keyword"> const</span></div><div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;<span class="keyword">            </span>{</div><div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;               <span class="keywordflow">return</span> *<span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span><a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a>*<span class="keyword">&gt;</span>(_ptr - _size_marker) &amp; _alloc_memory_mask;</div><div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;            }</div><div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;</div><div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;            <span class="keywordtype">bool</span> merge_contiguous_if_available(<a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> needed_size)</div><div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;            {</div><div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;               <span class="keywordflow">return</span> merge_contiguous(needed_size, <span class="keyword">true</span>);</div><div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;            }</div><div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;</div><div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;            <span class="keywordtype">bool</span> merge_contiguous(<a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> needed_size)</div><div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;            {</div><div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;               <span class="keywordflow">return</span> merge_contiguous(needed_size, <span class="keyword">false</span>);</div><div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;            }</div><div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;         <span class="keyword">private</span>:</div><div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;            <span class="keywordtype">bool</span> merge_contiguous(<a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> needed_size, <span class="keywordtype">bool</span> all_or_nothing)</div><div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;            {</div><div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;               <span class="comment">// do not bother if there isn&#39;t contiguious space to allocate</span></div><div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;               <span class="keywordflow">if</span> (all_or_nothing &amp;&amp; _heap_end - _ptr &lt; needed_size)</div><div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;                  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;</div><div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;               <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> possible_size = _size;</div><div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;               <span class="keywordflow">while</span> (possible_size &lt; needed_size  &amp;&amp; (_ptr + possible_size &lt; _heap_end))</div><div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;               {</div><div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;                  <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> next_mem_flag_size = *<span class="keyword">reinterpret_cast&lt;</span><span class="keyword">const </span><a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a>*<span class="keyword">&gt;</span>(_ptr + possible_size);</div><div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;                  <span class="comment">// if ALLOCed then done with contiguous free memory</span></div><div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;                  <span class="keywordflow">if</span> (next_mem_flag_size &amp; _alloc_memory_mask)</div><div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;                     <span class="keywordflow">break</span>;</div><div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;</div><div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;                  possible_size += (next_mem_flag_size &amp; ~_alloc_memory_mask) + _size_marker;</div><div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;               }</div><div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;</div><div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;               <span class="keywordflow">if</span> (all_or_nothing &amp;&amp; possible_size &lt; needed_size)</div><div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;                  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;</div><div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;               <span class="comment">// combine</span></div><div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;               <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> new_size = possible_size &lt; needed_size ? possible_size : needed_size;</div><div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;               size(new_size);</div><div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;</div><div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;               <span class="keywordflow">if</span> (possible_size &gt; needed_size)</div><div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;               {</div><div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;                  <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> freed_size = possible_size - needed_size - _size_marker;</div><div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;                  buffer_ptr freed_remainder(_ptr + needed_size + _size_marker, freed_size, _heap_end);</div><div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;                  freed_remainder.mark_free();</div><div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;               }</div><div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;</div><div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;               <span class="keywordflow">return</span> new_size == needed_size;</div><div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;            }</div><div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;</div><div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;            <span class="keywordtype">char</span>* _ptr;</div><div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;            <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> _size;</div><div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;            <span class="keyword">const</span> <span class="keywordtype">char</span>* <span class="keyword">const</span> _heap_end;</div><div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;         };</div><div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;</div><div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;         <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> _heap_size;</div><div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;         <span class="keywordtype">char</span>* _heap;</div><div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;         <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> _offset;</div><div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;      };</div><div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;</div><div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;      <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> _size_marker = <span class="keyword">sizeof</span>(<a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a>);</div><div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;      <span class="comment">// allocate memory in 8 char blocks</span></div><div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;      <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> _mem_block = 8;</div><div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;      <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> _rem_mem_block_mask = _mem_block - 1;</div><div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;      <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> _initial_heap_size = 8192;<span class="comment">//32768;</span></div><div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;      <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> _new_heap_size = 65536;</div><div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;      <span class="comment">// if sbrk is not called outside of this file, then this is the max times we can call it</span></div><div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;      <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> _heaps_size = 16;</div><div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;      <span class="keywordtype">char</span> _initial_heap[_initial_heap_size];</div><div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;      memory _available_heaps[_heaps_size];</div><div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;      <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> _heaps_actual_size;</div><div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;      <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> _active_heap;</div><div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;      <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> _active_free_heap;</div><div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;      <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> _alloc_memory_mask = 1 &lt;&lt; 31;</div><div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;   } <a class="code" href="group__memorycppapi.html#ga92fafed038dc971cb8742fce00f27b61">memory_heap</a>;</div><div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;</div><div class="line"><a name="l00494"></a><span class="lineno"><a class="line" href="group__memorycppapi.html#gac4387e5dad9585f885c0c0bf8d353739">  494</a></span>&#160;   <span class="keyword">inline</span> <span class="keywordtype">void</span>* <a class="code" href="classeosio_1_1memory__manager.html#a8704c31c2d7a73953f3c1c320447c24a">malloc</a>(<a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> size)</div><div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;   {</div><div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;      <span class="keywordflow">return</span> <a class="code" href="group__memorycppapi.html#ga92fafed038dc971cb8742fce00f27b61">memory_heap</a>.<a class="code" href="classeosio_1_1memory__manager.html#a8704c31c2d7a73953f3c1c320447c24a">malloc</a>(size);</div><div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;   }</div><div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;</div><div class="line"><a name="l00512"></a><span class="lineno"><a class="line" href="group__memorycppapi.html#gac115b820d2ce5d099c809e9cdd547f04">  512</a></span>&#160;   <span class="keyword">inline</span> <span class="keywordtype">void</span>* <a class="code" href="classeosio_1_1memory__manager.html#a8499edb5f09d8455c15c667c36abaac6">realloc</a>(<span class="keywordtype">void</span>* ptr, <a class="code" href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a> size)</div><div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;   {</div><div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;      <span class="keywordflow">return</span> <a class="code" href="group__memorycppapi.html#ga92fafed038dc971cb8742fce00f27b61">memory_heap</a>.<a class="code" href="classeosio_1_1memory__manager.html#a8499edb5f09d8455c15c667c36abaac6">realloc</a>(ptr, size);</div><div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;   }</div><div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;</div><div class="line"><a name="l00529"></a><span class="lineno"><a class="line" href="group__memorycppapi.html#gadc937e4380b5ab7212b4b603ccc516c5">  529</a></span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classeosio_1_1memory__manager.html#afbedc913aa4651b3c3b4b3aecd9b4711">free</a>(<span class="keywordtype">void</span>* ptr)</div><div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;    {</div><div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;       <span class="keywordflow">return</span> <a class="code" href="group__memorycppapi.html#ga92fafed038dc971cb8742fce00f27b61">memory_heap</a>.<a class="code" href="classeosio_1_1memory__manager.html#afbedc913aa4651b3c3b4b3aecd9b4711">free</a>(ptr);</div><div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;    }</div><div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;}</div><div class="ttc" id="namespaceeosio_html"><div class="ttname"><a href="namespaceeosio.html">eosio</a></div><div class="ttdoc">Used to forward declare raw functions. </div><div class="ttdef"><b>Definition:</b> account.hpp:12</div></div>
<div class="ttc" id="group__systemcapi_html_gae2a6ebaf48fe7c69f847ae18f109d09a"><div class="ttname"><a href="group__systemcapi.html#gae2a6ebaf48fe7c69f847ae18f109d09a">assert</a></div><div class="ttdeci">void assert(uint32_t test, const char *cstr)</div><div class="ttdoc">Aborts processing of this action and unwinds all pending changes. </div></div>
<div class="ttc" id="print_8hpp_html"><div class="ttname"><a href="print_8hpp.html">print.hpp</a></div></div>
<div class="ttc" id="classeosio_1_1memory__manager_html_a8499edb5f09d8455c15c667c36abaac6"><div class="ttname"><a href="classeosio_1_1memory__manager.html#a8499edb5f09d8455c15c667c36abaac6">eosio::memory_manager::realloc</a></div><div class="ttdeci">friend void * realloc(void *ptr, uint32_t size)</div><div class="ttdoc">Allocate a block of memory. </div><div class="ttdef"><b>Definition:</b> memory.hpp:512</div></div>
<div class="ttc" id="memory_8h_html"><div class="ttname"><a href="memory_8h.html">memory.h</a></div></div>
<div class="ttc" id="group__memorycapi_html_ga59ed1449718a3c27f7622cb3efb845af"><div class="ttname"><a href="group__memorycapi.html#ga59ed1449718a3c27f7622cb3efb845af">memcpy</a></div><div class="ttdeci">void * memcpy(void *destination, const void *source, uint32_t num)</div><div class="ttdoc">Copy a block of memory from source to destination. </div></div>
<div class="ttc" id="namespacestd_html_a32e349e93114238d72333a08f7ac044d"><div class="ttname"><a href="namespacestd.html#a32e349e93114238d72333a08f7ac044d">std::end</a></div><div class="ttdeci">constexpr const E * end(initializer_list&lt; E &gt; il) noexcept</div></div>
<div class="ttc" id="group__types_html_ga06896e8c53f721507066c079052171f8"><div class="ttname"><a href="group__types.html#ga06896e8c53f721507066c079052171f8">uint32_t</a></div><div class="ttdeci">unsigned long uint32_t</div><div class="ttdef"><b>Definition:</b> types.h:19</div></div>
<div class="ttc" id="group__memorycppapi_html_ga92fafed038dc971cb8742fce00f27b61"><div class="ttname"><a href="group__memorycppapi.html#ga92fafed038dc971cb8742fce00f27b61">eosio::memory_heap</a></div><div class="ttdeci">class eosio::memory_manager memory_heap</div></div>
<div class="ttc" id="group__types_html_ga0d2e949ab6a1bb62f1b295cc79bc1f60"><div class="ttname"><a href="group__types.html#ga0d2e949ab6a1bb62f1b295cc79bc1f60">int32_t</a></div><div class="ttdeci">long int32_t</div><div class="ttdef"><b>Definition:</b> types.h:25</div></div>
<div class="ttc" id="group__memorycapi_html_ga87ed00a8f774a9d36d650b80a36ad932"><div class="ttname"><a href="group__memorycapi.html#ga87ed00a8f774a9d36d650b80a36ad932">sbrk</a></div><div class="ttdeci">void * sbrk(uint32_t num_bytes)</div><div class="ttdoc">Allocate page memory. </div></div>
<div class="ttc" id="group__memorycapi_html_gad8eef9133e11fe77cd34792771f81761"><div class="ttname"><a href="group__memorycapi.html#gad8eef9133e11fe77cd34792771f81761">memset</a></div><div class="ttdeci">void * memset(void *ptr, uint32_t value, uint32_t num)</div><div class="ttdoc">Fill a block of memory with the provided value. </div></div>
<div class="ttc" id="classeosio_1_1memory__manager_html_a8704c31c2d7a73953f3c1c320447c24a"><div class="ttname"><a href="classeosio_1_1memory__manager.html#a8704c31c2d7a73953f3c1c320447c24a">eosio::memory_manager::malloc</a></div><div class="ttdeci">friend void * malloc(uint32_t size)</div><div class="ttdoc">Allocate a block of memory. </div><div class="ttdef"><b>Definition:</b> memory.hpp:494</div></div>
<div class="ttc" id="classeosio_1_1memory__manager_html_a1263e25250550298ba8408cce464a87c"><div class="ttname"><a href="classeosio_1_1memory__manager.html#a1263e25250550298ba8408cce464a87c">eosio::memory_manager::memory_manager</a></div><div class="ttdeci">memory_manager()</div><div class="ttdef"><b>Definition:</b> memory.hpp:29</div></div>
<div class="ttc" id="classeosio_1_1memory__manager_html"><div class="ttname"><a href="classeosio_1_1memory__manager.html">eosio::memory_manager</a></div><div class="ttdef"><b>Definition:</b> memory.hpp:23</div></div>
<div class="ttc" id="classeosio_1_1memory__manager_html_afbedc913aa4651b3c3b4b3aecd9b4711"><div class="ttname"><a href="classeosio_1_1memory__manager.html#afbedc913aa4651b3c3b4b3aecd9b4711">eosio::memory_manager::free</a></div><div class="ttdeci">friend void free(void *ptr)</div><div class="ttdoc">Free a block of memory. </div><div class="ttdef"><b>Definition:</b> memory.hpp:529</div></div>
<div class="ttc" id="namespaceeosiosystem_html_a3ea5c4b8e36e422e6dd7f2e60ffd6fd4"><div class="ttname"><a href="namespaceeosiosystem.html#a3ea5c4b8e36e422e6dd7f2e60ffd6fd4">eosiosystem::init</a></div><div class="ttdeci">void init()</div><div class="ttdef"><b>Definition:</b> eosio.system.cpp:52</div></div>
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